| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| MT 62-1997 | English | 239 |
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Days<=2
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Test method and judge rules of safety of permissible electric detonator for coal mining in firedamp
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MT 62-1997
| Obsolete |
MT 62-1997
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